Czkawka
7.4#1 in duplicate file findersFree planFree planAndroidAPILinuxmacOS
VisitCzkawka vs DoubleKiller
DoubleKiller
7.2#3 in duplicate file finders$19.95 one-timeFree planWindows
VisitWhat both publish
| Fact | Czkawka | DoubleKiller |
|---|---|---|
| Documentation | The repository provides separate guides for Krokiet, CLI, core internals and the legacy GTK GUI, plus an FAQ derived from hundreds of issue reports. | Pro includes an optional help file described as a first-step guide, full reference and usage-example manual. |
| Purpose | Czkawka finds duplicates, empty folders, similar images, and other unnecessary files. | DoubleKiller finds and removes duplicate files. |
| Support | The maintainer invites users to create issues for bugs and pull requests for fixes; GTK-specific issues and feature requests are generally to be closed. | The maker provides email support for help requests, bugs, feature suggestions and criticism. |
Czkawka plans
- FreeFree
DoubleKiller plans
- DoubleKiller FreeFree
- DoubleKiller (free, private use)Free
- DoubleKiller Pro Personal$19.95, paid once
- DoubleKiller Pro Commercial$39.95, paid once
- DoubleKiller Pro (commercial use)—
- DoubleKiller Pro (private use)—
Pick Czkawka if…
Czkawka suits people who want to inspect selected folders for duplicate, empty, or other unnecessary files. It offers both graphical and command-line frontends, plus an Android frontend.
Pick DoubleKiller if…
DoubleKiller suits Windows users who want to locate duplicate files and choose whether to delete or move them. The free version is limited to private use and files up to 2 GB.